Patents by Inventor Shojiro Matsumoto

Shojiro Matsumoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Reference block used in ultrasonic examination
    Patent number: 4466270
    Abstract: A reference block for ultrasonic examination, said block having an ultrasonic absorber secured to its back surface; and a method for ultrasonic examination using these blocks.
    Type: Grant
    Filed: September 8, 1981
    Date of Patent: August 21, 1984
    Assignee: National Research Institute for Metals
    Inventors: Katsuyoshi Kimura, Shojiro Matsumoto